Operational Ethics in the Cardiovascular Intensive Care Unit: A Practical Framework for Ethical Decision-Making

Background/Objectives: Contemporary cardiovascular critical care is increasingly shaped by advanced technologies, prognostic uncertainty, and time-sensitive decisions regarding mechanical circulatory support, treatment limitation, device management, family communication, and end-of-life care. Although established ethical principles provide essential normative guidance, their integration into routine bedside workflows remains challenging. This review examines the principal ethical tensions arising in the Cardiovascular Intensive Care Unit (CICU) and proposes a practical framework for real-time ethical decision-making. Methods: A narrative review of the contemporary literature was performed using major biomedical databases together with international guidelines, scientific statements, consensus documents, and relevant ethics literature to identify the principal ethical challenges encountered in contemporary cardiovascular intensive care and to develop an implementation-oriented framework for integrating ethical reasoning into routine clinical workflows. Results: Ethical challenges in the CICU frequently arise during transitions between therapeutic escalation, reassessment, limitation, withdrawal, and comfort-focused care. These decisions are influenced not only by clinical prognosis but also by organisational culture, multidisciplinary dynamics, patient preferences, communication, and structural inequities. We propose Operational Ethics as an implementation framework that embeds ethical reflection into routine clinical workflows through continuous reassessment of therapeutic goals, proportionality, prognosis, patient values, and multidisciplinary deliberation. Practical strategies include ethical pause points, time-limited trials, structured communication pathways, anticipatory device discussions, regular goals-of-care reassessment, and institutional support for clinicians experiencing moral distress. Conclusions: Operational Ethics complements established bioethical principles by translating them into practical bedside processes adapted to the temporal and organisational realities of cardiovascular critical care. Its integration into routine CICU practice may support more consistent, equitable, and patient-centred decisions while ensuring that technological possibilities remain aligned with meaningful clinical goals.